Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap luat cau snippets" » "dap luat cau snippets", "lap luan cau snippets", "cap luat cau snippets", "lap luat dau snippets", "lap lua cau snippets", "lap luat cac snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("lap luat cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap luat cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap luat cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap luat cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.